Regulation of root nodule formation by control of light quality and its application for legume production

光质控制调控根瘤形成及其在豆科植物生产中的应用

• 批准号: 24658020
• 负责人: SUZUKI Akihiro
• 金额: $ 2.58万
• 依托单位: Saga University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Challenging Exploratory Research
• 财政年份: 2012
• 资助国家: 日本
• 起止时间: 2012-04-01 至 2014-03-31
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-24658020/
• 关键词: ダイズ; 根粒; 根粒菌; 窒素固定; 共生; 子実生産; 収量; 光; 遠赤色光; 光質

Light is critical for supplying carbon to the energetically expensive, nitrogen-fixing symbiosis between legumes and rhizobia. I have already showed that root nodule formation is photomorphogenetically controlled by sensing the red/far red (R/FR) ratio through JA signaling. In this study, I found that condition of light treatment for increase of the number of root nodule of soybean. As expected, when three day-old soybean plants were treated by FR for 3 weeks, root nodule number was significantly decreased compared with non-treated control plants. However, root nodule number was significantly increased by 3 weeks FR treatment plus 4 weeks natural sunlight treatment compared with non-treated soybean. If this light treatment is applied for soybean production, there is a possibility that soybean yield increase due to the enhancement of root nodule nitrogen fixation by the symbiosis with Bradyrhizobium japonicum.

光对豆科植物和根瘤菌之间能量昂贵的固氮共生提供碳至关重要。我已经证明，根瘤的形成是通过JA信号感应红/远红（R/FR）比来进行光形态遗传学控制的。在本研究中，我发现光处理条件对大豆根瘤数量的增加有促进作用。不出所料，3日龄大豆植株经FR处理3周后，根瘤数较未处理对照显著减少。但与未处理大豆相比，3周FR + 4周自然光照处理显著增加根瘤数。如果将该光处理应用于大豆生产，则有可能通过与日本慢生根瘤菌的共生增强根瘤固氮而提高大豆产量。

项目成果

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Control of mycorrhizal infection by Red/Far-Red (R/FR) ratio through jasmonic acid (JA) signaling

通过茉莉酸 (JA) 信号传导通过红光/远红光 (R/FR) 比例控制菌根感染

• 发表时间: 2013
• 作者: Tadashi Yokoyama;Akihiro Suzuki et al;Akihiro Suzuki et al
• 通讯作者: Akihiro Suzuki et al

Both root nodulation and arbuscular mycorrhization are photomorphogenetically controlled by sensing the red/far red (R/FR) ration through jasmonic acid (JA) signaling.

根结瘤和丛枝菌根化都是通过茉莉酸（JA）信号传导感应红光/远红光（R/FR）比例来进行光形态发生控制的。

• 发表时间: 2013
• 作者: Tadashi Yokoyama;Akihiro Suzuki et al;Akihiro Suzuki et al;Akihiro Suzuki et al.
• 通讯作者: Akihiro Suzuki et al.

Both root nodulation and arbuscular mycorrhization are photomorphogeneticall controlled by sensing the red/far red (R/FR) ratio through jasmonic acid (JA) signaling

根结瘤和丛枝菌根化都是通过茉莉酸（JA）信号传导感测红光/远红光（R/FR）比率来控制光形态发生的

• 发表时间: 2013
• 作者: Shigeyama T;Tominaga A;Arima S;Sakai T;Inada ;Jikumaru ;Kamiya ;Uchiumi ;Abe M;Hashiguchi M;Akashi R;Hirsch AM;and Suzuki A;Shigeyama T;Tominaga A;Arima S;Sakai T;Inada ;Jikumaru ;Kamiya ;Uchiumi ;Abe M;Hashiguchi M;Akashi R;Hirsch;Akihiro Suzuki et al
• 通讯作者: Akihiro Suzuki et al

Control of mycorrhizal infection by Red/Far-Red (R/FR) ratio through jasmonic acid (JA) signaling.

通过茉莉酸 (JA) 信号传导通过红光/远红光 (R/FR) 比例控制菌根感染。

• 发表时间: 2013
• 作者: Tadashi Yokoyama;Akihiro Suzuki et al;Akihiro Suzuki et al;Akihiro Suzuki et al.;Aya Shimomura et al.;Katsuya Harada et al.;Tadashi Yokoyama et al.;Akihiro Suzuki et al.
• 通讯作者: Akihiro Suzuki et al.